You use everyday to describe something that happens or is used every day, or forms a regular and basic part of your life, so it is not especially interesting or unusual.
双语例句
例： In the course of my everyday life, I had very little contact with teenagers.
在我的日常生活中，我与青少年少有接触。
例： the everyday problems of living in the city.
城市生活的日常问题。